public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
        {
            SyntaxNode root = await context.Document.GetSyntaxRootAsync(context.CancellationToken).ConfigureAwait(false);

            UsingStatementSyntax usingStatement = root
                                                  .FindNode(context.Span, getInnermostNodeForTie: true)?
                                                  .FirstAncestorOrSelf <UsingStatementSyntax>();

            if (usingStatement == null)
            {
                return;
            }

            bool isMultiple = usingStatement.Statement
                              .DescendantNodes()
                              .Any(f => f.IsKind(SyntaxKind.UsingStatement) && UsingStatementAnalysis.ContainsEmbeddableUsingStatement((UsingStatementSyntax)f));

            CodeAction codeAction = CodeAction.Create(
                "Remove braces from nested using statement" + ((isMultiple) ? "s" : ""),
                cancellationToken =>
            {
                return(RemoveBracesFromNestedUsingStatementRefactoring.RefactorAsync(
                           context.Document,
                           usingStatement,
                           cancellationToken));
            },
                DiagnosticIdentifiers.SimplifyNestedUsingStatement + EquivalenceKeySuffix);

            context.RegisterCodeFix(codeAction, context.Diagnostics);
        }
Esempio n. 2
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 public static bool CanRefactor(UsingStatementSyntax usingStatement)
 {
     return(UsingStatementAnalysis.ContainsEmbeddableUsingStatement(usingStatement) &&
            !usingStatement
            .Ancestors()
            .Any(f => f.IsKind(SyntaxKind.UsingStatement) &&
                 UsingStatementAnalysis.ContainsEmbeddableUsingStatement((UsingStatementSyntax)f)));
 }
Esempio n. 3
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            public override SyntaxNode VisitUsingStatement(UsingStatementSyntax node)
            {
                if (UsingStatementAnalysis.ContainsEmbeddableUsingStatement(node))
                {
                    var block = (BlockSyntax)node.Statement;

                    node = node.WithStatement(block.Statements[0]);
                }

                return(base.VisitUsingStatement(node));
            }